[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/malloc/tst-mallocstate.c b/ap/libc/glibc/glibc-2.23/malloc/tst-mallocstate.c
new file mode 100644
index 0000000..a00d045
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/malloc/tst-mallocstate.c
@@ -0,0 +1,84 @@
+/* Copyright (C) 2001-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Wolfram Gloger <wg@malloc.de>, 2001.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <stdio.h>
+#include "malloc.h"
+
+static int errors = 0;
+
+static void
+merror (const char *msg)
+{
+ ++errors;
+ printf ("Error: %s\n", msg);
+}
+
+static int
+do_test (void)
+{
+ void *p1, *p2;
+ void *save_state;
+ long i;
+
+ errno = 0;
+
+ p1 = malloc (10);
+ if (p1 == NULL)
+ merror ("malloc (10) failed.");
+
+ p2 = malloc (20);
+ if (p2 == NULL)
+ merror ("malloc (20) failed.");
+
+ free (malloc (10));
+
+ for (i = 0; i < 100; ++i)
+ {
+ save_state = malloc_get_state ();
+ if (save_state == NULL)
+ {
+ merror ("malloc_get_state () failed.");
+ break;
+ }
+ /*free (malloc (10)); This could change the top chunk! */
+ malloc_set_state (save_state);
+ p1 = realloc (p1, i * 4 + 4);
+ if (p1 == NULL)
+ merror ("realloc (i*4) failed.");
+ free (save_state);
+ }
+
+ p1 = realloc (p1, 40);
+ free (p2);
+ p2 = malloc (10);
+ if (p2 == NULL)
+ merror ("malloc (10) failed.");
+ free (p1);
+
+ return errors != 0;
+}
+
+/*
+ * Local variables:
+ * c-basic-offset: 2
+ * End:
+ */
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"